Chimney-cowl



(No Model.)

J. B. OLDERSHAW'.

CHIMNEY GOWL.

No. 483,619. Patented 001;. 4, 1892.

WITNESSES: I

INVENTOR: a. (0M),

Bi a

ATTORNEY.

l NllTED STATES PATENT QFFIQE,

JOHN B. OLDERSHAW, OF BALTIMOR ARYLAND.

CHIMNEY-COWL.

SPECIFICATION forming part of Letters Patent No. 483,619, dated October4, 1892.

Application filed March 25, 1892.

To all whom it may concern:

Be it known that I, JOHN B. OLDERSHAW, a citizen of the United States,residing at Baltimore city, in the State of Maryland, have inventedcertain new and useful Improvements in Chimney-Cowls, of which thefollowing is a specification.

This invention relates to an improvement in stationary chimney-cowls,the object being to to provide a cowl which may be adjusted to fitdifferent sizes of chimneys.

To this end the invention consists in the peculiar features ofconstruction and combination of parts hereinafter described and I 5claimed.

The invention is illustrated in the accompanying drawings, in which'-Figure 1 shows a perspective view of the cowl. Fig. 2 shows across-section through the cowl and a chimney in which it is fitted. Fig.3 shows a plan view of the cowl with the cap-plate removed. Fig. 4 showsa bottom View of the cap-plate. Fig. 5 shows a perspective view of oneof the adjustable de- 2 5 fiector-plates.

In carrying out my invention I provide four corner-posts A to fit thefour inside corners of the chimney. These corner posts or stan dards areall connected together near their lower ends by extensible slats B, eachcom posed of two overlapping parts, one of which has a slot at, which isengaged by a bolt a in the other part. m At a suitable point thecornor-posts have rest-pieces 12, secured to their 3 5 outer sides andarranged to seat upon the top of the chimney. The corner-posts support apair of deflecting-frustums which are secured to them by means ofsuitable angle-clips 0. One of these frustums is arranged to have its 40lower edge rest on the chimney, while the other frustum has positionabove it. Each frustum is made up of four corner-plates C, which overand under lap each other, as shown, and are connected by bolts cl in theoverlapping plates, which bolts engage slots d in the nnderlappingplates. By this construction the frustums are rendered extensible. Thecorner-posts A extend through angular slots ein the cornerplates of thefrustnms and project above the same. Horizontally-extending brackets Dare secured to the upper ends of Serial No. 426,353. (No model.)

the posts A and have longitudinal slots f. A cap-p1ate or top covering Eis supported by these brackets and has foot-pieces F, secured to itsunder side and upon which it stands.

These foot-pieces extend from side to side and have slots f at oppositeends. These slots extend transversely to those of the brackets D, andbolts f are passed through the crossing slots. It will be seen that withthis construction the cowl may be extended or contracted to fitdifferent-sized chimneys by slid ing the overlapping deflector-plates Cand overlapping connecting-slats B past each other, and the parts may belocked by means of nuts 9 on the several securing-bolts.

My form of cowl obviates the necessity of a dealer keeping in stock alarge number of different sizes of cowls, as this one form may beadjusted to suit any ordinary chimney.

It is evident more than two frustums may be used.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is

1. A chimney-cowl comprising corner-posts to fit the inside corners ofthe chimney and joined together by extensible connections and a suitabletop covering supported by said posts.

2. A chimney-cowl comprising corner-posts to fit the inside corners of achimney and joined together by extensible connections, deflector-platessupported by said posts, and a suitable top covering.

3. A chimney-cowl comprising corner-posts to lit the inside corners of achimney and joined together by extensible slats, each consisting of twooverlapping parts connected by means of a slot and bolt, and a suitabletop covering.

at. A chimney cowl comprising corner-posts to fit the inside corners ofthe chimney and joined together by extensible connections, overlappingdeflector-plates supported bysaid posts and connected together by meansof slots and bolts, and a suitable top covering.

5. A chimney-cowl comprising corner-posts to fit the inside corners of achimney and joined together by extensible connections, 100 said postshaving horizontal slotted brackets at their upper ends, and a cap-platehaving slotted foot-pieces resting on said brackets ner-plates connectedtogether by means of 10 and connectedtherewith by bolts extending slotsand bolts, and a suitable top covering. through the slots in thebrackets and foot- In testimony whereof I affix my signature 1n pieces.the presence oftwo witnesses.

5 6. A chimney-cowl coniprisin corner-posts i f to fit the insidecorners of a chimney and JOHN OLDERSHAW' joined together by extensibleconnections, de- Witnesses: fiector-frustums supported by said posts andH. L. DIERING,

each composed of over and under lapping cor- F. PARKER DAVIS.

